diff options
author | Rob Pike <r@golang.org> | 2012-08-30 11:16:55 -0700 |
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committer | Rob Pike <r@golang.org> | 2012-08-30 11:16:55 -0700 |
commit | 363ec80dec5908ed7feebba448dc8e5b2cf90740 (patch) | |
tree | 41fefee45d70de22da282fd8593b2912ea725d18 /test/string_lit.go | |
parent | b7627d3d1f238e484d08bb8abb770cbe91482bc4 (diff) | |
download | go-363ec80dec5908ed7feebba448dc8e5b2cf90740.tar.gz go-363ec80dec5908ed7feebba448dc8e5b2cf90740.zip |
cmd/gc: string conversion for surrogates
This is required by the spec to produce the replacement char.
The fix lies in lib9's rune code.
R=golang-dev, nigeltao, rsc
CC=golang-dev
https://golang.org/cl/6443109
Diffstat (limited to 'test/string_lit.go')
-rw-r--r-- | test/string_lit.go | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/test/string_lit.go b/test/string_lit.go index 956330038e..457faaa88c 100644 --- a/test/string_lit.go +++ b/test/string_lit.go @@ -93,7 +93,7 @@ func main() { "backslashes 2 (backquote)") assert("\\x\\u\\U\\", `\x\u\U\`, "backslash 3 (backquote)") - // test large runes. perhaps not the most logical place for this test. + // test large and surrogate-half runes. perhaps not the most logical place for these tests. var r int32 r = 0x10ffff // largest rune value s = string(r) @@ -101,6 +101,28 @@ func main() { r = 0x10ffff + 1 s = string(r) assert(s, "\xef\xbf\xbd", "too-large rune") + r = 0xD800 + s = string(r) + assert(s, "\xef\xbf\xbd", "surrogate rune min") + r = 0xDFFF + s = string(r) + assert(s, "\xef\xbf\xbd", "surrogate rune max") + r = -1 + s = string(r) + assert(s, "\xef\xbf\xbd", "negative rune") + + // the large rune tests again, this time using constants instead of a variable. + // these conversions will be done at compile time. + s = string(0x10ffff) // largest rune value + assert(s, "\xf4\x8f\xbf\xbf", "largest rune constant") + s = string(0x10ffff + 1) + assert(s, "\xef\xbf\xbd", "too-large rune constant") + s = string(0xD800) + assert(s, "\xef\xbf\xbd", "surrogate rune min constant") + s = string(0xDFFF) + assert(s, "\xef\xbf\xbd", "surrogate rune max constant") + s = string(-1) + assert(s, "\xef\xbf\xbd", "negative rune") assert(string(gr1), gx1, "global ->[]rune") assert(string(gr2), gx2fix, "global invalid ->[]rune") |